http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
categories and the principle of coherence
Whitehead's theory of categories in historical perspective
Revised edition of: Yesode metsiʻut ṿe-haḳarah. 1967.
Contributions in concept of philosophical categories
Nijhoff international philosophy series ; v. 26